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6 apr 2023 · By using a definition of the Casimir energy on the lattice, we show that the Casimir effect for the Wilson fermion is similar to that for the continuous Dirac fermion. We apply our definition to an effective Hamiltonian describing Dirac semimetals, such as Cd 3 3 As 2 2 and Na 3 3 Bi, and find an oscillatory behavior of the Casimir energy as a ...
22 feb 2022 · Summary. Two well-polished metallic plates very close to each other in a vacuum feel a (slight) mutual attraction. This is the experimentally verified Casimir effect, deeply linked to the fact that the ground state energy of the harmonic oscillator is positive, and to the far more intriguing fact that in a sense and infinity of such oscillators ...
17 gen 2024 · The Casimir energy ratio E / E M (obtained from Eq. as a function of CNT film separation D for (c) φ = π / 8 and (d) φ = π / 2 at different temperatures. The dashed lines correspond to the thermal limit from the n = 0 Matsubara term. The Casimir torque ratio T ¯ = T / E M [obtained from Eq.
The Casimir effect is presented as a multidisciplinary subject which plays an important role in condensed matter physics, elementary particle physics, atomic physics, gravitation and cosmology, mathematical physics, and nanotechnology. The chapter ends with a guide to the book explaining the structure of the book, with brief detail on the ...
28 mag 2009 · The subject of this book is the Casimir effect, i.e., a manifestation of zero-point oscillations of the quantum vacuum in the form of forces acting between closely spaced bodies. It is a purely quantum effect. There is no force acting between neutral bodies in classical electrodynamics. The Casimir effect has become an interdisciplinary subject ...
8 gen 2020 · Aggiornato il 08 gennaio 2020. L' effetto Casimir è il risultato della fisica quantistica che sembra sfidare la logica del mondo quotidiano. In questo caso, l'energia del vuoto proveniente dallo "spazio vuoto" esercita effettivamente una forza sugli oggetti fisici. Anche se questo può sembrare bizzarro, il fatto è che l'effetto Casimir è ...
19 apr 2012 · Jen-Luc Piquant stumbled across a fascinating independent short film project the other day, called Casimir Effect -- the brainchlid of UK filmmakers Gabriel Strange and Lydia Wood, and starring ...
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